[gentoo-commits] repo/gentoo:master commit in: sci-chemistry/gromacs/

[Alexey Shvetsov]

commit:     9476c6092f42b86735e48bce06762cff70b14869
Author:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
AuthorDate: Mon Nov 12 15:54:13 2018 +0000
Commit:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
CommitDate: Mon Nov 12 15:54:13 2018 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9476c609

sci-chemistry/gromacs: Version bump

Package-Manager: Portage-2.3.51, Repoman-2.3.12
Signed-off-by: Alexey Shvetsov <alexxy <AT> gentoo.org>

 sci-chemistry/gromacs/Manifest                 |   2 +
 sci-chemistry/gromacs/gromacs-2018.3-r1.ebuild | 270 +++++++++++++++++++++++++
 sci-chemistry/gromacs/gromacs-2018.4.ebuild    | 270 +++++++++++++++++++++++++
 3 files changed, 542 insertions(+)

diff --git a/sci-chemistry/gromacs/Manifest b/sci-chemistry/gromacs/Manifest
index eafd2138713..3a34577c4bd 100644
--- a/sci-chemistry/gromacs/Manifest
+++ b/sci-chemistry/gromacs/Manifest
@@ -1,12 +1,14 @@
 DIST gromacs-2016.2.tar.gz 27339623 BLAKE2B c3548f4abdc4c1b09a79a3da99d7ca8060daca7307e4c5b81bd97d54adfb9621fbccf1ea7fd96c3676d6b44c20f9f4cd2168ce131799792512fad3b8b1ac0522 SHA512 f5e74bb8c126823c90d205ac0f0835e61fdd13a4550bc15aa9c972ee9b187f6451cdc90877c17276d2f889d61abb5eaa5ea1b54f7cbf3da67074146c749c1aa6
 DIST gromacs-2016.5.tar.gz 27369491 BLAKE2B 4a8bf1ae3e298ac2e26ec476130720dc3ef00db5d999e3a45fdbfd7fbfe7e94fbc86be6ff0f2f23552769c8bc851ce49c73f6fc1ab13f372523279b93e7794d7 SHA512 9cb8ff88871aa5df0967c60ba303c03296c6fa3c215cd01b26259df7753f0014f04222078ab4b84a66a1f709997837134d5c0f74da19b78322e410010c9d9e10
 DIST gromacs-2018.3.tar.gz 29915626 BLAKE2B 6e6eeafecdd923a25b4a2a78a8e89f793639b57ffbd63f19d133d8474302f9a381041f138a509dadb42b36e25fe508729e860efb6b0c75cdbf01d924b0a8fd83 SHA512 3c4d6eb3942d7b54d01c94c6f6f5ae706e0f5d4f9901ea11a56fde4df97b1a9112007f2cb13feea0f19f30c89f57ae80ff53a8f5203b8cdff103aa903cd0dc8f
+DIST gromacs-2018.4.tar.gz 29918276 BLAKE2B daf3f91e47bab61befee4ecd91e4885835fc5ded408462c239c824567e64b5710fb252456c6be2bf0e4ce1a2119747fca9d8fb0532286bb93d6ccdd289fe57ab SHA512 8ef0b90b2c266bb706c8fdba12e763de9c21aad197c1c71f48c06378644a734a3694172804db6c916a4974a9832b128512f2445d0b72783811e64edd22d27955
 DIST gromacs-2019-beta1.tar.gz 33549950 BLAKE2B 667246f9a7cb136efca3fbda21aabe5ab0a759aa42896f8a9ddc86fafbfb1906e31fe46688c98477a5841e8fe5708b960c2a26abe754b8d793046734cd509377 SHA512 9f8bec3671f6f7421dc45cab1b5edb8ba8f2ebc34cd19ebd3d5d534be1f84135a112f49733a3f8c79e93ffc2b09c5053ae0dea31e95832a2b98acaee47f7d1af
 DIST gromacs-5.0.4.tar.gz 26342095 BLAKE2B 27a2483e23533ad627114c0005fa0d49a311b359c31aed6378bdd768c9dda03c3b19f11d961f0bd3b82a1711737d4b7dce13cad5fc56d058dd0110fe21421ee3 SHA512 bc62b623bf71dcaa948aaf7563a3d3afa973da0702062848a20323db202e862dcee413197dacd1472866ccb40fce7709e283177b1c6c49514064f23e6c46b5ee
 DIST gromacs-5.1.3.tar.gz 27095702 BLAKE2B b7fd8fa10e8c4f4368ac551338c59374dc35f85c9fdae5d64eec62929b8f04ea724a084959b3618cd8a151bf3e0a0c84c8f75de953722effca82a4928941ce73 SHA512 9ab26e1b2268f8d567b89b2d99d0b75b937b28edceaec56d17ca3243c76faa31255ffc0c45d762c7c693fe500b00e36ad43b80572d1d7f92dc87f9d2d98c0ba6
 DIST regressiontests-2016.2.tar.gz 67095329 BLAKE2B fec8a663845ad67374c8a230d1590fa9e5079460198f41cee3b788aaa1c72e8ec9dcda48bc68a594f15003d11bf6617d46cc1a09c16b7a333587b43904a16ba6 SHA512 e0aceb56d1f38a7e6ab9fdaac5063fd20c5b3a162ffb6eddd0e6dc7dff9b724bfe31363493a9437e9f9d5421a534b375960fcb31e903a4901a0fa94ed8511294
 DIST regressiontests-2016.5.tar.gz 67641413 BLAKE2B 4fcd30c198f3acbbabf1104c040d9a686de49536a97dbeb14732bfa0ed3cf37aa61b1b0f45393668985b993d1f1862a8985e416af819cf9793f5964f3e4f43cc SHA512 31764fd99cc4185d61de5d4443ee482c27b13533451a24aa0e4899997ce275a63685424eafacae38b1a3ffd4ce0d5ebe02a90348953b04c104f91376f0edfdff
 DIST regressiontests-2018.3.tar.gz 67857855 BLAKE2B acd7a05ae79d1b4eb47d0c68a3fec9ee19f028a5019f39c37a033f48cf6da2a468375180ad6ceca9ac4f685a8bead38550663a47d6427b51f84c32a5c810e5f0 SHA512 57980d49efe6dcc3b3d14b5913a30c68fc1de5b679ef986fec1a149c76f67139b0299c3ee2825451461294fab5f345c7ad4f42e90f8991b81aafe9c369f3ff0b
+DIST regressiontests-2018.4.tar.gz 67860326 BLAKE2B 0160f701a8fa14ba4f175f4fca9894104bc5cc6aa5f02ac57200fd5a8f74a29b595df609e704cb70fcd9a03529bcf758fb4547e35557a45c0546d819c2681983 SHA512 baaac0c918684216ada5254a7c3a1f5b3ea00b1a63d6085d569095139b2a0c9de4ed330d4694f7eaedab729ed5dcea547390781b3d2f7c2ffdf02e0541a90efe
 DIST regressiontests-2019-beta1.tar.gz 67604794 BLAKE2B 163046e54206d3406d39e6bd9552dcce5a9a05a73e14249bf371d2432d902a3e336c0caa3e0c83353ac4566d91f4f805724f8eb996a831f8d3b712f65b1d1c42 SHA512 eef7eaacf56ba9358bfb0a3e34da4bc00d2a65564da81d144f57ee8a732081882b8e1c96f7006b966455105b834271715273e7590d3d4310209ee0324e7fa585
 DIST regressiontests-5.0.4.tar.gz 65193251 BLAKE2B c5e5f23adcc2639fe652bc252533307c7fda44453d506603242968bd8588c7394028b2c3c7a9252f807a050d40e8f78735e904dfe517d3db8ae962051f4826c1 SHA512 747725fa28c1c9525596bdeeb8809e45268e19036c11dac67d043aa1c51748688ca37eb6014eb7e819eb927a8b9ca2631d0ace4cdff8ed491b08c316c530ab65
 DIST regressiontests-5.1.3.tar.gz 66994083 BLAKE2B 7009f65ad0138664ac84e57f8bc7cce5d18a59f99943e56b6642583120bfce279e005ac0bacd2db8904ea477a48e2b938c64de46a65fa5d08fce6009d53583c3 SHA512 486e86eb3b75bae822abe82dac4e1098aa13723bd04214021f835a2f0b847303f015a9ececc33aa5ae63d31a2eeae07e512f22464b6c0e26d1286b0781578022

diff --git a/sci-chemistry/gromacs/gromacs-2018.3-r1.ebuild b/sci-chemistry/gromacs/gromacs-2018.3-r1.ebuild
new file mode 100644
index 00000000000..485db2a26ac
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2018.3-r1.ebuild
@@ -0,0 +1,270 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+inherit bash-completion-r1 cmake-utils cuda eutils multilib readme.gentoo-r1 toolchain-funcs xdg-utils
+
+if [[ $PV = *9999* ]]; then
+	EGIT_REPO_URI="git://git.gromacs.org/gromacs.git
+		https://gerrit.gromacs.org/gromacs.git
+		https://github.com/gromacs/gromacs.git
+		http://repo.or.cz/r/gromacs.git"
+	[[ $PV = 9999 ]] && EGIT_BRANCH="master" || EGIT_BRANCH="release-${PV:0:4}"
+	inherit git-r3
+else
+	SRC_URI="ftp://ftp.gromacs.org/pub/${PN}/${PN}-${PV/_/-}.tar.gz
+		test? ( http://gerrit.gromacs.org/download/regressiontests-${PV/_/-}.tar.gz )"
+	KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+fi
+
+ACCE_IUSE="cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 cpu_flags_x86_fma4 cpu_flags_x86_avx cpu_flags_x86_avx2"
+
+DESCRIPTION="The ultimate molecular dynamics simulation package"
+HOMEPAGE="http://www.gromacs.org/"
+
+# see COPYING for details
+# http://repo.or.cz/w/gromacs.git/blob/HEAD:/COPYING
+#        base,    vmd plugins, fftpack from numpy,  blas/lapck from netlib,        memtestG80 library,  mpi_thread lib
+LICENSE="LGPL-2.1 UoI-NCSA !mkl? ( !fftw? ( BSD ) !blas? ( BSD ) !lapack? ( BSD ) ) cuda? ( LGPL-3 ) threads? ( BSD )"
+SLOT="0/${PV}"
+IUSE="X blas cuda +doc -double-precision +fftw +hwloc lapack mkl mpi +offensive opencl openmp +single-precision test +threads +tng ${ACCE_IUSE}"
+
+CDEPEND="
+	X? (
+		x11-libs/libX11
+		x11-libs/libSM
+		x11-libs/libICE
+		)
+	blas? ( virtual/blas )
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-4.2.9-r1 )
+	opencl? ( virtual/opencl )
+	fftw? ( sci-libs/fftw:3.0 )
+	hwloc? ( <sys-apps/hwloc-2 )
+	lapack? ( virtual/lapack )
+	mkl? ( sci-libs/mkl )
+	mpi? ( virtual/mpi )
+	"
+DEPEND="${CDEPEND}
+	virtual/pkgconfig
+	doc? (
+		app-doc/doxygen
+		dev-texlive/texlive-latex
+		dev-texlive/texlive-latexextra
+		media-gfx/imagemagick
+	)"
+RDEPEND="${CDEPEND}"
+
+REQUIRED_USE="
+	|| ( single-precision double-precision )
+	cuda? ( single-precision )
+	cuda? ( !opencl )
+	mkl? ( !blas !fftw !lapack )"
+
+DOCS=( AUTHORS README )
+
+if [[ ${PV} != *9999 ]]; then
+	S="${WORKDIR}/${PN}-${PV/_/-}"
+fi
+
+pkg_pretend() {
+	[[ $(gcc-version) == "4.1" ]] && die "gcc 4.1 is not supported by gromacs"
+	use openmp && ! tc-has-openmp && \
+		die "Please switch to an openmp compatible compiler"
+}
+
+src_unpack() {
+	if [[ ${PV} != *9999 ]]; then
+		default
+	else
+		git-r3_src_unpack
+		if use test; then
+			EGIT_REPO_URI="git://git.gromacs.org/regressiontests.git" \
+			EGIT_BRANCH="${EGIT_BRANCH}" \
+			EGIT_CHECKOUT_DIR="${WORKDIR}/regressiontests"\
+				git-r3_src_unpack
+		fi
+	fi
+}
+
+src_prepare() {
+	#notes/todos
+	# -on apple: there is framework support
+
+	xdg_environment_reset #591952
+
+	cmake-utils_src_prepare
+
+	use cuda && cuda_src_prepare
+
+	GMX_DIRS=""
+	use single-precision && GMX_DIRS+=" float"
+	use double-precision && GMX_DIRS+=" double"
+
+	if use test; then
+		for x in ${GMX_DIRS}; do
+			mkdir -p "${WORKDIR}/${P}_${x}" || die
+			cp -al "${WORKDIR}/regressiontests"* "${WORKDIR}/${P}_${x}/tests" || die
+		done
+	fi
+
+	DOC_CONTENTS="Gromacs can use sci-chemistry/vmd to read additional file formats"
+}
+
+src_configure() {
+	local mycmakeargs_pre=( ) extra fft_opts=( )
+
+	#go from slowest to fastest acceleration
+	local acce="None"
+	use cpu_flags_x86_sse2 && acce="SSE2"
+	use cpu_flags_x86_sse4_1 && acce="SSE4.1"
+	use cpu_flags_x86_fma4 && acce="AVX_128_FMA"
+	use cpu_flags_x86_avx && acce="AVX_256"
+	use cpu_flags_x86_avx2 && acce="AVX2_256"
+
+	#to create man pages, build tree binaries are executed (bug #398437)
+	[[ ${CHOST} = *-darwin* ]] && \
+		extra+=" -DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF"
+
+	if use fftw; then
+		fft_opts=( -DGMX_FFT_LIBRARY=fftw3 )
+	elif use mkl && has_version "=sci-libs/mkl-10*"; then
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="${MKLROOT}/include"
+			-DMKL_LIBRARIES="$(echo /opt/intel/mkl/10.0.5.025/lib/*/libmkl.so);$(echo /opt/intel/mkl/10.0.5.025/lib/*/libiomp*.so)"
+		)
+	elif use mkl; then
+		local bits=$(get_libdir)
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="$(echo /opt/intel/*/mkl/include)"
+			-DMKL_LIBRARIES="$(echo /opt/intel/*/mkl/lib/*${bits/lib}/libmkl_rt.so)"
+		)
+	else
+		fft_opts=( -DGMX_FFT_LIBRARY=fftpack )
+	fi
+
+	mycmakeargs_pre+=(
+		"${fft_opts[@]}"
+		-DGMX_X11=$(usex X)
+		-DGMX_EXTERNAL_BLAS=$(usex blas)
+		-DGMX_EXTERNAL_LAPACK=$(usex lapack)
+		-DGMX_OPENMP=$(usex openmp)
+		-DGMX_COOL_QUOTES=$(usex offensive)
+		-DGMX_USE_TNG=$(usex tng)
+		-DGMX_BUILD_MANUAL=$(usex doc)
+		-DGMX_HWLOC=$(usex hwloc)
+		-DGMX_DEFAULT_SUFFIX=off
+		-DGMX_SIMD="$acce"
+		-DGMX_VMD_PLUGIN_PATH="${EPREFIX}/usr/$(get_libdir)/vmd/plugins/*/molfile/"
+		-DBUILD_TESTING=$(usex test)
+		-DGMX_BUILD_UNITTESTS=$(usex test)
+		${extra}
+	)
+
+	for x in ${GMX_DIRS}; do
+		einfo "Configuring for ${x} precision"
+		local suffix=""
+		#if we build single and double - double is suffixed
+		use double-precision && use single-precision && \
+			[[ ${x} = "double" ]] && suffix="_d"
+		local p
+		[[ ${x} = "double" ]] && p="-DGMX_DOUBLE=ON" || p="-DGMX_DOUBLE=OFF"
+		local cuda=( "-DGMX_GPU=OFF" )
+		[[ ${x} = "float" ]] && use cuda && \
+			cuda=( "-DGMX_GPU=ON" )
+		local opencl=( "-DGMX_USE_OPENCL=OFF" )
+		use opencl && opencl=( "-DGMX_USE_OPENCL=ON" ) cuda=( "-DGMX_GPU=ON" )
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_MPI=OFF
+			-DGMX_THREAD_MPI=$(usex threads)
+			"${opencl[@]}"
+			"${cuda[@]}"
+			"$(use test && echo -DREGRESSIONTEST_PATH="${WORKDIR}/${P}_${x}/tests")"
+			-DGMX_BINARY_SUFFIX="${suffix}"
+			-DGMX_LIBS_SUFFIX="${suffix}"
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}" cmake-utils_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}/gentoo_rules.cmake" || die
+		use mpi || continue
+		einfo "Configuring for ${x} precision with mpi"
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_THREAD_MPI=OFF
+			-DGMX_MPI=ON ${cuda}
+			-DGMX_OPENMM=OFF
+			-DGMX_BUILD_MDRUN_ONLY=ON
+			-DBUILD_SHARED_LIBS=OFF
+			-DGMX_BUILD_MANUAL=OFF
+			-DGMX_BINARY_SUFFIX="_mpi${suffix}"
+			-DGMX_LIBS_SUFFIX="_mpi${suffix}"
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" CC="mpicc" cmake-utils_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}_mpi/gentoo_rules.cmake" || die
+	done
+}
+
+src_compile() {
+	for x in ${GMX_DIRS}; do
+		einfo "Compiling for ${x} precision"
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake-utils_src_compile
+		# not 100% necessary for rel ebuilds as available from website
+		if use doc; then
+			BUILD_DIR="${WORKDIR}/${P}_${x}"\
+				cmake-utils_src_compile manual
+		fi
+		use mpi || continue
+		einfo "Compiling for ${x} precision with mpi"
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi"\
+			cmake-utils_src_compile
+	done
+}
+
+src_test() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake-utils_src_make check
+	done
+}
+
+src_install() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}" \
+			cmake-utils_src_install
+		if use doc; then
+			newdoc "${WORKDIR}/${P}_${x}"/docs/manual/gromacs.pdf "${PN}-manual-${PV}.pdf"
+		fi
+		use mpi || continue
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" \
+			cmake-utils_src_install
+	done
+
+	if use tng; then
+		insinto /usr/include/tng
+		doins src/external/tng_io/include/tng/*h
+	fi
+	# drop unneeded stuff
+	rm "${ED}"usr/bin/GMXRC* || die
+	for x in "${ED}"usr/bin/gmx-completion-*.bash ; do
+		local n=${x##*/gmx-completion-}
+		n="${n%.bash}"
+		cat "${ED}"usr/bin/gmx-completion.bash "$x" > "${T}/${n}" || die
+		newbashcomp "${T}"/"${n}" "${n}"
+	done
+	rm "${ED}"usr/bin/gmx-completion*.bash || die
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	einfo
+	einfo  "Please read and cite:"
+	einfo  "Gromacs 4, J. Chem. Theory Comput. 4, 435 (2008). "
+	einfo  "https://dx.doi.org/10.1021/ct700301q"
+	einfo
+	readme.gentoo_print_elog
+}

diff --git a/sci-chemistry/gromacs/gromacs-2018.4.ebuild b/sci-chemistry/gromacs/gromacs-2018.4.ebuild
new file mode 100644
index 00000000000..485db2a26ac
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2018.4.ebuild
@@ -0,0 +1,270 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+inherit bash-completion-r1 cmake-utils cuda eutils multilib readme.gentoo-r1 toolchain-funcs xdg-utils
+
+if [[ $PV = *9999* ]]; then
+	EGIT_REPO_URI="git://git.gromacs.org/gromacs.git
+		https://gerrit.gromacs.org/gromacs.git
+		https://github.com/gromacs/gromacs.git
+		http://repo.or.cz/r/gromacs.git"
+	[[ $PV = 9999 ]] && EGIT_BRANCH="master" || EGIT_BRANCH="release-${PV:0:4}"
+	inherit git-r3
+else
+	SRC_URI="ftp://ftp.gromacs.org/pub/${PN}/${PN}-${PV/_/-}.tar.gz
+		test? ( http://gerrit.gromacs.org/download/regressiontests-${PV/_/-}.tar.gz )"
+	KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+fi
+
+ACCE_IUSE="cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 cpu_flags_x86_fma4 cpu_flags_x86_avx cpu_flags_x86_avx2"
+
+DESCRIPTION="The ultimate molecular dynamics simulation package"
+HOMEPAGE="http://www.gromacs.org/"
+
+# see COPYING for details
+# http://repo.or.cz/w/gromacs.git/blob/HEAD:/COPYING
+#        base,    vmd plugins, fftpack from numpy,  blas/lapck from netlib,        memtestG80 library,  mpi_thread lib
+LICENSE="LGPL-2.1 UoI-NCSA !mkl? ( !fftw? ( BSD ) !blas? ( BSD ) !lapack? ( BSD ) ) cuda? ( LGPL-3 ) threads? ( BSD )"
+SLOT="0/${PV}"
+IUSE="X blas cuda +doc -double-precision +fftw +hwloc lapack mkl mpi +offensive opencl openmp +single-precision test +threads +tng ${ACCE_IUSE}"
+
+CDEPEND="
+	X? (
+		x11-libs/libX11
+		x11-libs/libSM
+		x11-libs/libICE
+		)
+	blas? ( virtual/blas )
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-4.2.9-r1 )
+	opencl? ( virtual/opencl )
+	fftw? ( sci-libs/fftw:3.0 )
+	hwloc? ( <sys-apps/hwloc-2 )
+	lapack? ( virtual/lapack )
+	mkl? ( sci-libs/mkl )
+	mpi? ( virtual/mpi )
+	"
+DEPEND="${CDEPEND}
+	virtual/pkgconfig
+	doc? (
+		app-doc/doxygen
+		dev-texlive/texlive-latex
+		dev-texlive/texlive-latexextra
+		media-gfx/imagemagick
+	)"
+RDEPEND="${CDEPEND}"
+
+REQUIRED_USE="
+	|| ( single-precision double-precision )
+	cuda? ( single-precision )
+	cuda? ( !opencl )
+	mkl? ( !blas !fftw !lapack )"
+
+DOCS=( AUTHORS README )
+
+if [[ ${PV} != *9999 ]]; then
+	S="${WORKDIR}/${PN}-${PV/_/-}"
+fi
+
+pkg_pretend() {
+	[[ $(gcc-version) == "4.1" ]] && die "gcc 4.1 is not supported by gromacs"
+	use openmp && ! tc-has-openmp && \
+		die "Please switch to an openmp compatible compiler"
+}
+
+src_unpack() {
+	if [[ ${PV} != *9999 ]]; then
+		default
+	else
+		git-r3_src_unpack
+		if use test; then
+			EGIT_REPO_URI="git://git.gromacs.org/regressiontests.git" \
+			EGIT_BRANCH="${EGIT_BRANCH}" \
+			EGIT_CHECKOUT_DIR="${WORKDIR}/regressiontests"\
+				git-r3_src_unpack
+		fi
+	fi
+}
+
+src_prepare() {
+	#notes/todos
+	# -on apple: there is framework support
+
+	xdg_environment_reset #591952
+
+	cmake-utils_src_prepare
+
+	use cuda && cuda_src_prepare
+
+	GMX_DIRS=""
+	use single-precision && GMX_DIRS+=" float"
+	use double-precision && GMX_DIRS+=" double"
+
+	if use test; then
+		for x in ${GMX_DIRS}; do
+			mkdir -p "${WORKDIR}/${P}_${x}" || die
+			cp -al "${WORKDIR}/regressiontests"* "${WORKDIR}/${P}_${x}/tests" || die
+		done
+	fi
+
+	DOC_CONTENTS="Gromacs can use sci-chemistry/vmd to read additional file formats"
+}
+
+src_configure() {
+	local mycmakeargs_pre=( ) extra fft_opts=( )
+
+	#go from slowest to fastest acceleration
+	local acce="None"
+	use cpu_flags_x86_sse2 && acce="SSE2"
+	use cpu_flags_x86_sse4_1 && acce="SSE4.1"
+	use cpu_flags_x86_fma4 && acce="AVX_128_FMA"
+	use cpu_flags_x86_avx && acce="AVX_256"
+	use cpu_flags_x86_avx2 && acce="AVX2_256"
+
+	#to create man pages, build tree binaries are executed (bug #398437)
+	[[ ${CHOST} = *-darwin* ]] && \
+		extra+=" -DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF"
+
+	if use fftw; then
+		fft_opts=( -DGMX_FFT_LIBRARY=fftw3 )
+	elif use mkl && has_version "=sci-libs/mkl-10*"; then
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="${MKLROOT}/include"
+			-DMKL_LIBRARIES="$(echo /opt/intel/mkl/10.0.5.025/lib/*/libmkl.so);$(echo /opt/intel/mkl/10.0.5.025/lib/*/libiomp*.so)"
+		)
+	elif use mkl; then
+		local bits=$(get_libdir)
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="$(echo /opt/intel/*/mkl/include)"
+			-DMKL_LIBRARIES="$(echo /opt/intel/*/mkl/lib/*${bits/lib}/libmkl_rt.so)"
+		)
+	else
+		fft_opts=( -DGMX_FFT_LIBRARY=fftpack )
+	fi
+
+	mycmakeargs_pre+=(
+		"${fft_opts[@]}"
+		-DGMX_X11=$(usex X)
+		-DGMX_EXTERNAL_BLAS=$(usex blas)
+		-DGMX_EXTERNAL_LAPACK=$(usex lapack)
+		-DGMX_OPENMP=$(usex openmp)
+		-DGMX_COOL_QUOTES=$(usex offensive)
+		-DGMX_USE_TNG=$(usex tng)
+		-DGMX_BUILD_MANUAL=$(usex doc)
+		-DGMX_HWLOC=$(usex hwloc)
+		-DGMX_DEFAULT_SUFFIX=off
+		-DGMX_SIMD="$acce"
+		-DGMX_VMD_PLUGIN_PATH="${EPREFIX}/usr/$(get_libdir)/vmd/plugins/*/molfile/"
+		-DBUILD_TESTING=$(usex test)
+		-DGMX_BUILD_UNITTESTS=$(usex test)
+		${extra}
+	)
+
+	for x in ${GMX_DIRS}; do
+		einfo "Configuring for ${x} precision"
+		local suffix=""
+		#if we build single and double - double is suffixed
+		use double-precision && use single-precision && \
+			[[ ${x} = "double" ]] && suffix="_d"
+		local p
+		[[ ${x} = "double" ]] && p="-DGMX_DOUBLE=ON" || p="-DGMX_DOUBLE=OFF"
+		local cuda=( "-DGMX_GPU=OFF" )
+		[[ ${x} = "float" ]] && use cuda && \
+			cuda=( "-DGMX_GPU=ON" )
+		local opencl=( "-DGMX_USE_OPENCL=OFF" )
+		use opencl && opencl=( "-DGMX_USE_OPENCL=ON" ) cuda=( "-DGMX_GPU=ON" )
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_MPI=OFF
+			-DGMX_THREAD_MPI=$(usex threads)
+			"${opencl[@]}"
+			"${cuda[@]}"
+			"$(use test && echo -DREGRESSIONTEST_PATH="${WORKDIR}/${P}_${x}/tests")"
+			-DGMX_BINARY_SUFFIX="${suffix}"
+			-DGMX_LIBS_SUFFIX="${suffix}"
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}" cmake-utils_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}/gentoo_rules.cmake" || die
+		use mpi || continue
+		einfo "Configuring for ${x} precision with mpi"
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_THREAD_MPI=OFF
+			-DGMX_MPI=ON ${cuda}
+			-DGMX_OPENMM=OFF
+			-DGMX_BUILD_MDRUN_ONLY=ON
+			-DBUILD_SHARED_LIBS=OFF
+			-DGMX_BUILD_MANUAL=OFF
+			-DGMX_BINARY_SUFFIX="_mpi${suffix}"
+			-DGMX_LIBS_SUFFIX="_mpi${suffix}"
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" CC="mpicc" cmake-utils_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}_mpi/gentoo_rules.cmake" || die
+	done
+}
+
+src_compile() {
+	for x in ${GMX_DIRS}; do
+		einfo "Compiling for ${x} precision"
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake-utils_src_compile
+		# not 100% necessary for rel ebuilds as available from website
+		if use doc; then
+			BUILD_DIR="${WORKDIR}/${P}_${x}"\
+				cmake-utils_src_compile manual
+		fi
+		use mpi || continue
+		einfo "Compiling for ${x} precision with mpi"
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi"\
+			cmake-utils_src_compile
+	done
+}
+
+src_test() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake-utils_src_make check
+	done
+}
+
+src_install() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}" \
+			cmake-utils_src_install
+		if use doc; then
+			newdoc "${WORKDIR}/${P}_${x}"/docs/manual/gromacs.pdf "${PN}-manual-${PV}.pdf"
+		fi
+		use mpi || continue
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" \
+			cmake-utils_src_install
+	done
+
+	if use tng; then
+		insinto /usr/include/tng
+		doins src/external/tng_io/include/tng/*h
+	fi
+	# drop unneeded stuff
+	rm "${ED}"usr/bin/GMXRC* || die
+	for x in "${ED}"usr/bin/gmx-completion-*.bash ; do
+		local n=${x##*/gmx-completion-}
+		n="${n%.bash}"
+		cat "${ED}"usr/bin/gmx-completion.bash "$x" > "${T}/${n}" || die
+		newbashcomp "${T}"/"${n}" "${n}"
+	done
+	rm "${ED}"usr/bin/gmx-completion*.bash || die
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	einfo
+	einfo  "Please read and cite:"
+	einfo  "Gromacs 4, J. Chem. Theory Comput. 4, 435 (2008). "
+	einfo  "https://dx.doi.org/10.1021/ct700301q"
+	einfo
+	readme.gentoo_print_elog
+}